General Description
Body almost circular, compressed, belly inflatable. Two dorsal fins, the first with two spines, first spine relatively short, slender with smooth edges, second spine very small; skin velvety. Colour pattern highly variable, usually greenish to brownish, with spots, lines and small ocelli (false eye-spots). Usually 4 cm long to tail tip (up to 9 cm long).
Biology
The is the smallest leatherjacket species in southern Australia. It occurs in a range of habitats, with large adults often found on rocky reefs. Unusually for a leatherjacket, this species inflates its belly for protection, and during territorial disputes between males. When 'sleeping', the Pygmy Leatherjacket anchors itself by biting onto a piece of seaweed.
Distribution
Southern Australia.
Habitat
Coastal reefs, as well as piers, jetties and seagrass beds within estuaries.
More Information
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Animal Type
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Animal SubType
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Brief Id
Body compressed, almost circular, belly inflatable, dorsal-fin spine smooth, colour pattern variable.
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Habitats
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Diet
Carnivore
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Diet Categories
Invertebrates
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Endemicity
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Commercial
Yes
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Conservation Statuses
CITES: Not listed, FFG Threatened List: Not listed, EPBC Act 1999: Not listed, IUCN Red List: Least Concern
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Water Column Locations
On or near seafloor
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Taxon Name
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Scientific Author
(Quoy & Gaimard, 1824)
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Common Name
Southern Pygmy Leatherjacket
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Kingdom
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Phylum
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Subphylum
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Superclass
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Class
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Order
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Family
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Genus
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Species Name
jacksonianus